Fix memory leak in RichTextLabel.remove_line
Fix memory leak in RichTextLabel.remove_line

pkowal1982/godot,pkowal1982/godot,Valentactive/godot,pkowal1982/godot,akien-mga/godot,guilhermefelipecgs/godot,akien-mga/godot,josempans/godot,guilhermefelipecgs/godot,sanikoyes/godot,Shockblast/godot,firefly2442/godot,ZuBsPaCe/godot,vkbsb/godot,guilhermefelipecgs/godot,Faless/godot,vkbsb/godot,Zylann/godot,guilhermefelipecgs/godot,guilhermefelipecgs/godot,vkbsb/godot,sanikoyes/godot,godotengine/godot,josempans/godot,guilhermefelipecgs/godot,firefly2442/godot,Faless/godot,akien-mga/godot,Zylann/godot,josempans/godot,josempans/godot,BastiaanOlij/godot,godotengine/godot,pkowal1982/godot,Zylann/godot,pkowal1982/godot,akien-mga/godot,Zylann/godot,godotengine/godot,Valentactive/godot,BastiaanOlij/godot,josempans/godot,BastiaanOlij/godot,Valentactive/godot,firefly2442/godot,Valentactive/godot,vkbsb/godot,Shockblast/godot,BastiaanOlij/godot,josempans/godot,Shockblast/godot,Shockblast/godot,akien-mga/godot,ZuBsPaCe/godot,pkowal1982/godot,Zylann/godot,Zylann/godot,sanikoyes/godot,ZuBsPaCe/godot,godotengine/godot,firefly2442/godot,josempans/godot,Zylann/godot,Faless/godot,vkbsb/godot,Valentactive/godot,Faless/godot,guilhermefelipecgs/godot,vnen/godot,vkbsb/godot,vkbsb/godot,Faless/godot,pkowal1982/godot,Zylann/godot,vnen/godot,Valentactive/godot,firefly2442/godot,godotengine/godot,BastiaanOlij/godot,godotengine/godot,pkowal1982/godot,sanikoyes/godot,Shockblast/godot,akien-mga/godot,Shockblast/godot,vnen/godot,Faless/godot,ZuBsPaCe/godot,ZuBsPaCe/godot,Faless/godot,godotengine/godot,Faless/godot,akien-mga/godot,akien-mga/godot,sanikoyes/godot,BastiaanOlij/godot,sanikoyes/godot,Shockblast/godot,josempans/godot,BastiaanOlij/godot,sanikoyes/godot,guilhermefelipecgs/godot,Shockblast/godot,BastiaanOlij/godot,ZuBsPaCe/godot,vnen/godot,ZuBsPaCe/godot,Valentactive/godot,Valentactive/godot,vkbsb/godot,vnen/godot,godotengine/godot,vnen/godot,firefly2442/godot,sanikoyes/godot,firefly2442/godot,firefly2442/godot,vnen/godot,ZuBsPaCe/godot,vnen/godot